NL mechanical seal

 

German WILO WILO NL mechanical seal, suitable for NL, NLG, NP end suction pump, mechanical seal belongs to the large spring single end mechanical seal, the structure has the advantages of resistance to blockage, resistance to abrasion and so on, the service life is more than twice the ordinary mechanical seal. Single end face, large spring, rubber bellows with strong resistance to blockage. When used, has nothing to do with the rotation, auxiliary sealing ring according to different circumstances, can be used in different materials of rubber ring, in line with ISO3069, DIN24960 and GB6556 standards, strong versatility. In ORDER to better meet the needs of customers, the pump type as long as the pump model can be quoted, all organic seals are in stock, pump shaft, impeller, coupling and other accessories can be matched.

 

Working parameters

 

Gauge: 12,14,16,18,20,22 MM

Pressure: 1.2 Mpa or less

The temperature: 20 ~ 120 ℃

Wire speed: ≤10m/s

Axial channeling momentum: ±1mm

 

Medium: water, oil

 

 

 

Material combination

 

Sealing end face: graphite, silicon carbide

Auxiliary seals: VITON, NBR, EPDM

 

Metal component: 304

 

The product description

 

Single face

The balanced

Arbitrary rotation

Rubber bellows pipe

Comply with EN12756(DIN24960) standards

 

Common models:

 

NL32/125 NL32/160 NL32/200 NL32/250 NL40/125 NL40/160 NL40/200 NL40/250

 

NL40/315 NL50/125 NL50/160 NL50/200 NL50/250 NL50/315 NL65/125 NL65/160

 

NL65/200 NL65/250 NL65/315 NL80/160 NL80/200 NL80/250 NL80/315 NL80/400

 

NL100/160 NL100/200 NL100/250 NL100/315 NL100/400 NL125/200 NL125/250

 

NL125/315 NL125/400 NL150/200 NL150/25 NL150/315 NL150/400

 

NLG200/260 NLG200/315 NLG200/400 NLG200/450 NLG250/315 NLG250/355

 

NLG250/400 NLG300/400 NLG300/550